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Why This Recipe Works
- Double-cooking magic: Simmer-then-roast guarantees creamy centers and glass-crisp edges.
- Smash technique: Flattening increases surface area for maximum golden crunch.
- Garlic-herb infusion: Butter bathes fresh rosemary, thyme, and parsley so every crevice is fragrant.
- Sheet-pan convenience: Minimal dishes, oven does the heavy lifting.
- Make-ahead friendly: Boil potatoes up to two days early; smash and roast just before serving.
- Vegetarian & gluten-free: Crowd-pleaser for mixed-diet tables without compromise.
- Main-dish worthy: Toss with chickpeas or grilled chicken and call it dinner.
Ingredients You'll Need
Every ingredient here pulls its weight, so quality matters. Start with baby or creamer potatoes—Yukon gold or red-skinned, one-and-a-half to two inches across. Their thin skins blister beautifully and the interior stays buttery. Avoid russets; they fall apart when smashed. Look for firm, smooth tubers without green patches or sprouts.
Kosher salt seasons the simmer water aggressively (think pasta-level salty) so flavor permeates each potato from the inside out. For the fat, I combine olive oil and butter: oil raises the smoke point, butter delivers flavor. Use a good extra-virgin olive oil you enjoy the taste of, and unsalted butter so you control sodium.
Fresh garlic is non-negotiable; granulated won’t bloom in the same way. Smash cloves with the flat of a knife, slip off skins, then finely mince so it doesn’t burn. Herbs should feel alive—woody rosemary for piney perfume, delicate thyme leaves for subtle citrus, and flat-leaf parsley for verdant finish. Buy bunches that smell vivid, not musty, and store in a jar of water like flowers until cooking.
Optional but transformative: a finishing snow of good parmesan and a bright squeeze of lemon to cut richness. For heat lovers, pinch in crushed red-pepper flakes. Vegans can swap butter with refined coconut oil or a plant-based stick; the technique stays identical.
How to Make Crispy Smashed Potatoes with Garlic and Herbs for Sides
Simmer the potatoes
Place potatoes in a large saucepan, cover with 2 inches of cold water, and season generously with kosher salt (about 1 tablespoon per quart). Bring to a boil, reduce to a lively simmer, and cook until potatoes are just fork-tender, 15–18 minutes. Drain thoroughly and let steam-dry in the colander for 2 minutes; surface moisture is the enemy of crunch.
Preheat & prep pan
While potatoes cook, position a rack in the lower-middle of the oven and preheat to 450 °F (230 °C). Pour 3 tablespoons olive oil onto a heavy rimmed sheet pan; swirl to coat. Slide the pan into the heating oven for 4–5 minutes until the oil shimmers—this hot-oil bath jump-starts crisping.
Smash strategically
Tip potatoes onto the hot oiled pan, spacing them 2 inches apart. Use the base of a heavy drinking glass or a measuring cup greased with olive oil to press each potato to ½-inch thickness. Twist slightly as you lift to prevent sticking. Work quickly so the pan stays hot.
First roast—naked
Roast smashed potatoes, untouched, for 20 minutes. The bottoms will turn deeply golden and release easily from the pan when ready. Don’t flip too early; they’ll tell you when they’re ready by letting go.
Infuse the butter
While potatoes roast, melt 4 tablespoons unsalted butter in a small saucepan over medium-low heat. Add 3 minced garlic cloves, 1 teaspoon chopped rosemary, and ½ teaspoon thyme leaves. Swirl 2 minutes until fragrant; remove from heat and stir in half the chopped parsley to stop cooking.
Flip & brush
Remove pan from oven. Flip potatoes with a thin metal spatula. Brush liberally with the fragrant butter, letting garlic bits rain down into every crater. Drizzle any remaining olive oil around edges for extra crunch.
Final roast
Return to oven 12–15 minutes more until edges are chestnut brown and centers creamy. Turn on broiler for the last 1–2 minutes for extra blister, watching closely.
Finish & serve
Transfer to a warm platter. Shower with remaining parsley, optional parmesan, flaky salt, and a crack of black pepper. Serve immediately—crunch waits for no one.
Expert Tips
Salt the water like the sea
Under-seasoned simmer water equals bland potatoes; this is your only chance to season from the inside.
Don’t crowd the pan
Overcrowding steams rather than roasts; use two pans if needed—your future self will thank you.
Preheat the oil
Starting with a sizzling sheet pan sets the crust in motion and prevents sticking.
Choose uniform size
Potatoes of similar size cook evenly; sort them at the store or trim larger ones.
Butter late, not early
Adding butter too soon burns the milk solids; brushing it mid-roast flavors without bitterness.
Re-crisp leftovers
Reheat in a 425 °F oven for 6–8 minutes instead of microwaving to resurrect crunch.
Variations to Try
Lemon-Dill Greek Style
Swap rosemary & thyme for 1 tablespoon fresh dill and ½ teaspoon oregano. Finish with feta and lemon zest.
Spicy Cajun
Add 1 teaspoon smoked paprika, ½ teaspoon cayenne, and 1 teaspoon onion powder to the infused butter.
Truffle-Parmesan
Drizzle 1 teaspoon white truffle oil after roasting and shower with ÂĽ cup shaved Parmigiano-Reggiano.
Everything-Bagel
Brush with garlic butter, then dust with 2 tablespoons Everything-bagel seasoning before final roast.
Asian Sesame
Replace butter with 2 tablespoons sesame oil; finish with scallions, toasted sesame seeds, and a splash of soy.
Smoky Bacon
Roast with chopped cooked bacon bits and brush with bacon fat instead of butter for carnivore bliss.
Storage Tips
Cool leftovers completely, then refrigerate in a single layer in an airtight container up to 4 days. Separate layers with parchment to prevent sogginess. Re-crisp on a preheated sheet pan at 425 °F for 6–8 minutes, flipping halfway. Microwaving is discouraged—it steams the crust into rubber.
To freeze, arrange cooled potatoes in one layer on a parchment-lined tray; freeze until solid, then transfer to a zip bag for up to 2 months. Roast from frozen at 450 °F for 12–15 minutes, adding 5 extra minutes to the final timing.
Make-ahead: Boil and smash potatoes up to 2 days ahead; cover and chill on the sheet pan. When ready to serve, brush with hot oil and proceed with roasting. You can also pre-mix the garlic-herb butter and refrigerate; warm gently to liquefy before brushing.
Frequently Asked Questions
Crispy Smashed Potatoes with Garlic and Herbs for Sides
Ingredients
Instructions
- Boil: Place potatoes in a pot, cover with salted water, simmer 15–18 min until fork-tender. Drain and steam-dry 2 min.
- Preheat: Place olive oil on sheet pan; heat in 450 °F oven 5 min.
- Smash: Arrange potatoes on hot pan; press to ½-inch thick with bottom of glass.
- First roast: Bake 20 min until bottoms are golden.
- Infuse: Melt butter with garlic & herbs 2 min; stir in half the parsley.
- Finish: Flip potatoes, brush with herb butter, roast 12–15 min more. Broil 1 min if desired. Top with remaining parsley, parmesan, flaky salt, and serve hot.
Recipe Notes
Potatoes can be boiled up to 2 days ahead; store covered in fridge and roast just before serving for maximum crisp. Re-crisp leftovers at 425 °F for 6–8 min.
